Will try to tutorialize the inventory/menu systems and the pred mechanics a little better, don't want folks missing that vital information! Glad you found those things though.
The thing that might make it unclear that health upgrades are persistent is the fact that each character has separate scaling for them, which is fun for balance, but I might need to do a better job clarifying this. Maybe I'll change the post-perma dialogue for the first time it happens to tell you to go look at the menus, and also explain some of those things.
I do like that idea of commentary from Luna or other digested prey! I'm gonna look into how I can implement that. Will also work on fixing those bugs you found as soon as I can. Thank you so much for playing, and I'm glad you enjoyed your time with my demo! <3